html,body,#app{  
    margin: 0;  
    padding: 0;  
    height: 100%;  
    width: 100%; 
  } 
.common-header{
  height: 10%;
}
/* button向右*/
.class-edit-button-footerRight{
  float:right;
}

.class-dialog{
  height: 50%;
}